other examples in the 50 years since where either side made a you know lat alstep like that and in that environment -- chris: yeah, khrushchev wasn't so bad at the end. obviously a treble tyrant but they ended up with this treaty. >> and irony tath thought they had an alliance. kennedy would have liked to have done this from the beginning of his presidency. always privately new knew a test ban was important and it was that cuban missile crisis that gave him the statue with americans. chris: let's turn to the next historic step by president kennedy 50 years ago this month. one day after his speech at american university, alabama governor george wallace carried through with his pledge of segregation forever and personally blocked two black students from the university of alabama. kennedy sent a gentle down to alabama to enforce the students. take a look another how the huntley brinkley report covered that news. >> two negros were glitted but only after governor george wallace had carried out his symbolic threat to stand guard in the school hall's door. >> i would ask you once again to responsibly ste